function noNumbers(e)
{
var keynum
var keychar
var numcheck

if(window.event) // IE
{
keynum = e.keyCode
}
else if(e.which) // Netscape/Firefox/Opera
{
keynum = e.which
}
keychar = String.fromCharCode(keynum)
numcheck = /\d/
return !numcheck.test(keychar)
}



  function numbersonly(myfield, e, dec)
        {
        var key;
        var keychar;
        if (window.event)
         key = window.event.keyCode;
        else if (e)
         key = e.which;
        else
         return true;
        keychar = String.fromCharCode(key);
        // control keys
        if ((key==null) || (key==0) || (key==8) || 
         (key==9) || (key==13) || (key==27) )
         return true;
        // numbers
        else if ((("0123456789").indexOf(keychar) > -1))
         return true;
        // decimal point jump
        else if (dec && (keychar == "."))
         {
         myfield.form.elements[dec].focus();
         return false;
         }
        else
         return false;
        }